Quarterly report pursuant to Section 13 or 15(d)

Income Per Share - Anti-dilutive common stock equivalents (Details)

v3.7.0.1
Income Per Share - Anti-dilutive common stock equivalents (Details) - shares
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Anti-dilutive common stock equivalents        
Total anti-dilutive common stock equivalents 97,196 457,434 87,358 533,373
Restricted Stock Awards | Service-based conditions        
Anti-dilutive common stock equivalents        
Total anti-dilutive common stock equivalents 985 12,238 916 55,986
Restricted Stock Awards | Market-based conditions        
Anti-dilutive common stock equivalents        
Total anti-dilutive common stock equivalents       12,647
Stock Options        
Anti-dilutive common stock equivalents        
Total anti-dilutive common stock equivalents 96,211 445,196 86,442 464,740